TY  - REP
AU  - Borlaug,N.E.
TI  - Sustaining and advancing the green revolution
PY  - 1971///
KW  - Agricultural development
KW  - AGROVOC
KW  - High-yielding varieties
T2  - Pakistan Wheat Improvement Seminar; Lyallpur, Pakistan; 18 Mar 1971
ER  -